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Old 10-16-2005, 09:04 PM
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A little shameless self-promotion.

I've updated my website. It has a few pictures of my failed engine parts.
www.bigblock67chevelle.com

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Old 10-16-2005, 10:07 PM
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Good pictures,Thanks for sharing.
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Old 10-16-2005, 11:10 PM
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looks good man....
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Old 10-17-2005, 02:11 AM
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That looks almost as bad as my 1600 mile 350 that I put in my '93 Silverado. The previous person that rebuilt it put it together dirty. Meaning he did not flush out all of the oil galleys. Three main bearings were shot that were down to solid copper, front and real cam bearings shot, a couple of rod bearings also had copper showing. The crank now has to be turned. The was an area in one cylinder that looked like it had water sitting in it for an extended length of time and scored the wall. so another bore is in the works. It is already .030 over so it goes .040 or .060. And the valve guides in the heads are also shot so rework is in order on those also. This all came about from me trusting others. It will be better than new when done though

BTW...keep us updated on the rebuild. Looking forward to hearing the Rat run!!!!
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Old 10-17-2005, 03:19 PM
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You bearings indicate a timing/detonation problem. Or a lean condition causing high cylinder pressure that beat the copper off the bearing. Verify your TDC mark is acurrate with a TDC stop and also double check you cam wasn't walking and changing your timing. You can look for signs at the cam gear.
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Old 10-17-2005, 05:47 PM
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turn down the music! plz heheheh
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Old 10-17-2005, 07:13 PM
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Quote:
Originally Posted by johnsongrass1
You bearings indicate a timing/detonation problem. Or a lean condition causing high cylinder pressure that beat the copper off the bearing. Verify your TDC mark is acurrate with a TDC stop and also double check you cam wasn't walking and changing your timing. You can look for signs at the cam gear.
Like I said I had massive blowby because of low compersion due to the ring gap. The cylnders were soaked with fuel so there was no lean conditon. I know the cam was not walking because I was runing a cam button.
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Old 10-18-2005, 09:38 AM
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And your poor oil control lowers the effective octane level leading to the bearing being scored.

I'm just trying to help you. That's all.
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Old 10-18-2005, 09:56 AM
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I understand that your tring to help, but I also had grit in the oil from the blanceing job. I believe that's what chewed up the bearings. It also scared the crank.
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Old 10-18-2005, 11:47 AM
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Quote:
Originally Posted by Bad Rat 414
It also scared the crank.
You know its a bad rebuild when the crank gets scared...I hope that the cam doesn't have any fears, then you will definately be screwed. LOL
Later,
WEIMER
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Old 10-18-2005, 11:53 AM
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Yeah, well it frightened the s*it out of the pistons too.

Last edited by Bad Rat 414; 10-18-2005 at 04:08 PM.
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Old 10-18-2005, 03:13 PM
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cool

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Old 10-18-2005, 06:35 PM
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Quote:
Originally Posted by Bad Rat 414
Yeah, well it frightened the s*it out of the pistons too.
I hope you didn't scare 'em as bad as I did mine.



Larry
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Old 10-18-2005, 06:38 PM
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Not this time but I've done worse than that in the past. I've had piston pieces no bigger than a quarter.
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